Finding the Third Proportional to 111,272,427 and 170,213,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,272,427 : 170,213,008.50 = 170,213,008.50 : x
2. Step 2: Convert to fraction form
   111,272,427/170,213,008.50 = 170,213,008.50/x
3. Step 3: Cross multiply
   111,272,427x = 170,213,008.50 × 170,213,008.50
4. Step 4: Simplify right side
   111,272,427x = 28,972,468,262,621,072
5. Step 5: Solve for x
   x = 28,972,468,262,621,072/111,272,427
6. Step 6: Final answer
   x = 260,374,191.92